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112131823789 = 816713729867
BaseRepresentation
bin110100001101110010…
…0111101100010101101
3101201102122210211211201
41220123210331202231
53314121221330124
6123302422045501
711046505530106
oct1503344754255
9351378724751
10112131823789
1143611544957
1219894879891
13a76007abbb
1455da3953ad
152db4349144
hex1a1b93d8ad

112131823789 has 4 divisors (see below), whose sum is σ = 112145561824. Its totient is φ = 112118085756.

The previous prime is 112131823787. The next prime is 112131823799. The reversal of 112131823789 is 987328131211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 987328131211 = 3173114599783.

It is a cyclic number.

It is not a de Polignac number, because 112131823789 - 21 = 112131823787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131823787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6856767 + ... + 6873100.

It is an arithmetic number, because the mean of its divisors is an integer number (28036390456).

Almost surely, 2112131823789 is an apocalyptic number.

It is an amenable number.

112131823789 is a deficient number, since it is larger than the sum of its proper divisors (13738035).

112131823789 is an equidigital number, since it uses as much as digits as its factorization.

112131823789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13738034.

The product of its digits is 145152, while the sum is 46.

The spelling of 112131823789 in words is "one hundred twelve billion, one hundred thirty-one million, eight hundred twenty-three thousand, seven hundred eighty-nine".

Divisors: 1 8167 13729867 112131823789